Correlation Analysis
Amazon.Com Inc vs Westlake Corporation
AMZN vs WLK
-0.247
Light inverse
When one moves up, the other tends to move down.
Amazon.Com Inc
↗AMZN
Amazon is the leading online retailer and marketplace for third party sellers. Retail related revenue represents approximately 74% of total, followed by Amazon Web Services (17%), and advertising services (9%). International segments constitute 22% of Amazon's total revenue, led by Germany, the United Kingdom, and Japan.
Market cap 2.3T
Westlake Corporation
↗WLK
Westlake Corp is a vertically integrated international manufacturer and marketer of both housing and infrastructure products and performance and essential materials that are designed to enhance the lives of people every day. Its Performance and Essential Materials segment offers a wide range of essential building blocks for making products utilized in everyday living, including olefins, vinyl chemicals, polyethylene, and epoxies. Its Housing and Infrastructure Products segment produces key finished goods for building products, pipe and fittings, and international compounds businesses.
Market cap 15.3B · 14,600 employees
Time Series
Rebased to 100
Who Moves First
AMZN leads WLK by 6 days
AMZN tends to move before WLK.
Best correlation after shifting: -0.258 (13 shifts scanned)
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+0.531
10 periods · Return correlation when both series rose
Both Falling
+0.603
6 periods · Return correlation when both series fell
Diverging
-0.732
19 periods · Return correlation when series moved apart
R-Squared
6.1%
Share of variance in one series explained by the other.
Trend Agreement
58.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [-0.298, -0.194]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
Amazon.Com Inc
AMZN
Market cap 2.3T
Stock · 1,254 raw → 1,254 prepared
Series B
Westlake Corporation
WLK
Market cap 15.3B · 14,600 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
16
Estimated crossover points between normalized spreads.
Slope
-0.1345
Linear regression slope.
Intercept
132.7392
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-amzn-vs-stock-wlk-daily-20260408-6qg603